The glasses contained 20-80% CdO, at least 2% SiO2, and preferably also at least 2% each of Al2O3 and B2O3. B2O3 should not exceed 70% and preferably be no more than 15%. 18 examples of composition with RI from 1.6195-1.7998 are quoted.
Origin
Unknown
Journal Title
Bp 613 718, 2/12/48
Sector
Refractive Indexes
Class
RI 45